JP7677700B2 - ドラッグポンプ - Google Patents

ドラッグポンプ Download PDF

Info

Publication number
JP7677700B2
JP7677700B2 JP2022504197A JP2022504197A JP7677700B2 JP 7677700 B2 JP7677700 B2 JP 7677700B2 JP 2022504197 A JP2022504197 A JP 2022504197A JP 2022504197 A JP2022504197 A JP 2022504197A JP 7677700 B2 JP7677700 B2 JP 7677700B2
Authority
JP
Japan
Prior art keywords
flow
drag pump
protrusion
protrusions
flow passage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2022504197A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022542071A (ja
Inventor
マイケル アンドリュー ギャルトリー
マイルズ ジェフリー ホックリフ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Edwards Ltd
Original Assignee
Edwards Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Edwards Ltd filed Critical Edwards Ltd
Publication of JP2022542071A publication Critical patent/JP2022542071A/ja
Application granted granted Critical
Publication of JP7677700B2 publication Critical patent/JP7677700B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/168—Pumps specially adapted to produce a vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/044—Holweck-type pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
JP2022504197A 2019-07-25 2020-07-24 ドラッグポンプ Active JP7677700B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1910647.5A GB2585936A (en) 2019-07-25 2019-07-25 Drag pump
GB1910647.5 2019-07-25
PCT/EP2020/070925 WO2021013979A1 (en) 2019-07-25 2020-07-24 Drag pump

Publications (2)

Publication Number Publication Date
JP2022542071A JP2022542071A (ja) 2022-09-29
JP7677700B2 true JP7677700B2 (ja) 2025-05-15

Family

ID=67990589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022504197A Active JP7677700B2 (ja) 2019-07-25 2020-07-24 ドラッグポンプ

Country Status (6)

Country Link
US (1) US11971041B2 (de)
EP (1) EP4004377B1 (de)
JP (1) JP7677700B2 (de)
CN (1) CN114127423A (de)
GB (1) GB2585936A (de)
WO (1) WO2021013979A1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100158672A1 (en) 2008-12-24 2010-06-24 Helmer John C Spiral pumping stage and vacuum pump incorporating such pumping stage
WO2015098275A1 (ja) 2013-12-26 2015-07-02 エドワーズ株式会社 真空排気機構、複合型真空ポンプ、および回転体部品

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE605902C (de) 1932-01-08 1934-11-20 Hugo Seemann Dr Turbohochvakuumpumpe
FR2222886A5 (de) * 1973-03-21 1974-10-18 Cit Alcatel
FR2224009A5 (de) * 1973-03-30 1974-10-25 Cit Alcatel
FR2244370A5 (de) * 1973-09-14 1975-04-11 Cit Alcatel
US3969039A (en) * 1974-08-01 1976-07-13 American Optical Corporation Vacuum pump
CN100513798C (zh) * 2005-10-10 2009-07-15 储继国 双重拖动分子泵
WO2009153874A1 (ja) * 2008-06-19 2009-12-23 株式会社島津製作所 ターボ分子ポンプ
US8152442B2 (en) * 2008-12-24 2012-04-10 Agilent Technologies, Inc. Centripetal pumping stage and vacuum pump incorporating such pumping stage
CN102518602B (zh) * 2011-12-29 2014-12-24 中联重科股份有限公司 一种离心风机叶轮及离心风机
GB2498816A (en) * 2012-01-27 2013-07-31 Edwards Ltd Vacuum pump
EP2757265B1 (de) * 2013-01-22 2016-05-18 Agilent Technologies, Inc. Spiralenförmige Pumpstufe und Vakuumpumpe mit der Pumpstufe
JP6353195B2 (ja) * 2013-05-09 2018-07-04 エドワーズ株式会社 固定円板および真空ポンプ
JP6287475B2 (ja) * 2014-03-28 2018-03-07 株式会社島津製作所 真空ポンプ
CN204327532U (zh) * 2014-12-10 2015-05-13 北京中凯威科技发展有限责任公司 一种复合分子泵

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100158672A1 (en) 2008-12-24 2010-06-24 Helmer John C Spiral pumping stage and vacuum pump incorporating such pumping stage
WO2015098275A1 (ja) 2013-12-26 2015-07-02 エドワーズ株式会社 真空排気機構、複合型真空ポンプ、および回転体部品

Also Published As

Publication number Publication date
EP4004377B1 (de) 2026-03-25
JP2022542071A (ja) 2022-09-29
US20220299036A1 (en) 2022-09-22
WO2021013979A1 (en) 2021-01-28
GB201910647D0 (en) 2019-09-11
EP4004377A1 (de) 2022-06-01
CN114127423A (zh) 2022-03-01
GB2585936A (en) 2021-01-27
US11971041B2 (en) 2024-04-30

Similar Documents

Publication Publication Date Title
CN102042266B (zh) 涡轮式流体机械
JP3872966B2 (ja) 軸流形流体機械
CN101622458B (zh) 旋转流体机械的密封装置及旋转流体机械
EP1624195B1 (de) Axialpumpe und Halbaxialpump
WO2011036459A1 (en) Diffuser
US7261513B2 (en) Centrifugal compressor
JP7374078B2 (ja) 遠心圧縮機用ディフューザ
JP3758050B2 (ja) ディフューザつき遠心圧縮機
JP2009041373A (ja) ターボ圧縮機
US6200094B1 (en) Wave augmented diffuser for centrifugal compressor
JP2010025041A (ja) 遠心流体機械
JP7677700B2 (ja) ドラッグポンプ
JP4924984B2 (ja) 軸流圧縮機の翼列
US4422832A (en) Liquid ring pump with vanes in liquid ring
JPS58101299A (ja) 遠心圧縮機
JP4655603B2 (ja) 遠心圧縮機
JP2007247622A (ja) 遠心形ターボ機械
JP2004520517A (ja) 軸流圧縮機
JPH09296799A (ja) 遠心圧縮機のインペラ
JP2010502876A (ja) 改良されたポンピングチャネル構成を有する真空ポンプ
JP2002357199A (ja) 多段ターボ圧縮機
JP2002122095A (ja) 遠心ポンプ
KR200336468Y1 (ko) 임펠라의 직렬깃구조
JP2008101553A (ja) ウォーターポンプのインペラ
WO2022064964A1 (ja) 渦流ポンプ

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230714

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20240327

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240401

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20241003

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250131

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250401

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250424

R150 Certificate of patent or registration of utility model

Ref document number: 7677700

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150